Senior QA Engineer (AI Safety & Testing Infrastructure)

white circle • United Kingdom

Relocation

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AI Summary

Join White Circle as a Senior QA Engineer to design and maintain scalable test automation frameworks using Playwright and Python, ensuring end-to-end quality for AI safety policies and platforms. You’ll optimize CI/CD pipelines, improve test reliability, and collaborate with engineers to shape quality standards. Requires 2+ years of QA automation experience with Playwright, Python, and CI/CD pipelines.

Key Highlights

Build and maintain end-to-end test automation frameworks for web platforms and APIs

Own test coverage for new features and integrate test suites into CI/CD pipelines

Improve test reliability, speed, and develop a quality mindset across the engineering team

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Key Responsibilities

Design, build, and maintain end-to-end test automation frameworks for web platforms and APIs

Own test coverage for new features and ensure integration into CI/CD pipelines

Write clear, reproducible bug reports and collaborate with engineers to resolve issues

Develop exploratory and regression test plans for each release cycle

Improve test reliability and speed while fostering a quality mindset across the team

Review testability in design and flag risks early to enhance engineering quality standards

Technical Skills Required

Playwright Python CI/CD Pipelines

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Benefits & Perks

Meaningful equity package

Paid time off in line with local regulations

Work from Paris (hybrid) with relocation package

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Nice to Have

Experience testing AI or LLM-based products, handling non-deterministic outputs

Familiarity with performance or load testing (e.g., k6, Locust)

Experience with Postman, Insomnia, or API contract testing

Background in security-aware QA or SOC 2 environments

Job Description

We’re looking for a QA Engineer to help us build reliable, scalable testing infrastructure. You’ll work with Playwright, Python, and CI/CD pipelines to own end-to-end quality across our platform, improve test reliability and speed, and help shape engineering quality standards.White Circle is an AI Safety company building the safety, reliability, and optimization layer for AI systems. At the core of our platform are policies – simple natural-language rules that define what an AI model should and shouldn’t do. We automatically test, enforce, and continuously improve these policies at scale.

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